li {
  list-style: none;
}
a {
  text-decoration: none;
  color: #333333;
}
.webkit {
  display: -webkit-flex;
  display: -moz-flex;
}
body,
html {
  font-family: "微软雅黑";
  height: 100%;
}
main {
  position: relative;
}
main header {
  height: 1.73333333rem;
  width: 100%;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 99;
  background: white;
  display: -webkit-flex;
  display: -moz-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
main header ul {
  width: 100%;
  display: -webkit-flex;
  display: -moz-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
main header ul li {
  width: 4rem;
  height: 1rem;
  line-height: 1rem;
  border: 2px solid #E25b1E;
  box-sizing: border-box;
  font-size: 0.37333333rem;
  color: #E25b1E;
}
main header ul li:nth-child(1) {
  border-top-left-radius: 0.13333333rem;
  border-bottom-left-radius: 0.13333333rem;
}
main header ul li:nth-child(2) {
  border-top-right-radius: 0.13333333rem;
  border-bottom-right-radius: 0.13333333rem;
}
main nav {
  height: 1.6rem;
  background: #E25b1E;
  position: fixed;
  left: 0;
  top: 1.73333333rem;
  width: 100%;
  z-index: 88;
}
main nav .title {
  width: 100%;
  height: 0.8rem;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 1.6rem;
}
main nav .title span {
  height: 100%;
  display: block;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
main nav .title span img {
  height: 0.8rem;
  width: 0.66666667rem;
}
main nav .title p {
  font-size: 0.50666667rem;
  color: white;
  width: 60%;
  display: flex;
  align-items: center;
  justify-content: center;
}
main nav .screen {
  flex: 1;
  height: 100%;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #CFCFCF;
}
